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What is the Least Common Multiple of 81763 and 81778?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 81763 and 81778 is 6686414614.

LCM(81763,81778) = 6686414614

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Least Common Multiple of 81763 and 81778 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81763 and 81778, than apply into the LCM equation.

GCF(81763,81778) = 1
LCM(81763,81778) = ( 81763 × 81778) / 1
LCM(81763,81778) = 6686414614 / 1
LCM(81763,81778) = 6686414614

Least Common Multiple (LCM) of 81763 and 81778 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81763 and 81778. First we will calculate the prime factors of 81763 and 81778.

Prime Factorization of 81763

Prime factors of 81763 are 11, 7433. Prime factorization of 81763 in exponential form is:

81763 = 111 × 74331

Prime Factorization of 81778

Prime factors of 81778 are 2, 31, 1319. Prime factorization of 81778 in exponential form is:

81778 = 21 × 311 × 13191

Now multiplying the highest exponent prime factors to calculate the LCM of 81763 and 81778.

LCM(81763,81778) = 111 × 74331 × 21 × 311 × 13191
LCM(81763,81778) = 6686414614